target/linux/ramips/patches-6.1/109-drivers-mt7621-dma-handle-error-from-device_reset.patch

   1 From 3f6dfa25128e428acfba20792bc7506d58806baa Mon Sep 17 00:00:00 2001
   2 From: Christian Marangi <ansuelsmth@gmail.com>
   3 Date: Sun, 7 May 2023 01:06:17 +0200
   4 Subject: [PATCH] drivers: mt7621-dma: handle error from device_reset
   5
   6 Handle error from device reset to fix compilation warning.
   7 Fix compilation warning:
   8 drivers/staging/mt7621-dma/hsdma-mt7621.c: In function 'mtk_hsdma_probe':
   9 drivers/staging/mt7621-dma/hsdma-mt7621.c:685:9: error: ignoring return value of 'device_reset' declared with attribute 'warn_unused_result' [-Werror=unused-result]
  10   685 |         device_reset(&pdev->dev);
  11       |         ^~~~~~~~~~~~~~~~~~~~~~~~
  12 cc1: all warnings being treated as errors
  13
  14 Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
  15 ---
  16  drivers/staging/mt7621-dma/hsdma-mt7621.c | 4 +++-
  17  1 file changed, 3 insertions(+), 1 deletion(-)
  18
  19 --- a/drivers/staging/mt7621-dma/hsdma-mt7621.c
  20 +++ b/drivers/staging/mt7621-dma/hsdma-mt7621.c
  21 @@ -682,7 +682,9 @@ static int mtk_hsdma_probe(struct platfo
  22                 return ret;
  23         }
  24
  25 -       device_reset(&pdev->dev);
  26 +       ret = device_reset(&pdev->dev);
  27 +       if (ret)
  28 +               dev_err(&pdev->dev, "failed to reset device\n");
  29
  30         dd = &hsdma->ddev;
  31         dma_cap_set(DMA_MEMCPY, dd->cap_mask);